<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll'

  export default{
    name:'Scroll',
    props:{
      probeType:{
        type:Number,
        default: 0
      },
      pullUpLoad:{
        type: Boolean,
        default: false
      }
    },
    data(){
      return {
        scroll:null
      }
    },
    mounted(){
      //1、创建BScroll对象
      this.scroll = new BScroll(this.$refs.wrapper,{
      click:true,
      probeType:this.probeType,
      pullUpLoad:this.pullUpLoad
      })

      //2、监听滚动事件
      this.scroll.on('scroll',(position) => {
        // console.log(position)
        this.$emit('scroll',position)
      })
      //3、监听上拉事件
      this.scroll.on('pullingUp',() => {
        // console.log('上拉加载更多')
        this.$emit('pullingUp')
      })
    },
    methods:{
      refresh(){
        this.scroll && this.scroll.refresh()
        // console.log(11)
      },
      scrollTo(x,y,time=300){
        this.scroll && this.scroll.scrollTo(x,y,time)
      },
      getScrollY(){
        return this.scroll ? this.scroll.y : 0
      }
    }
  }
</script>

<style scoped>
</style>
